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doc-src/Tutorial/Ifexpr/normal
author nipkow
Mon, 29 Jan 2001 23:02:21 +0100
changeset 10996 74e970389def
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Moved some thms from Transitive_ClosureTr.ML to Transitive_Closure.thy

consts normal :: ifex => bool
primrec
"normal(CIF b) = True"
"normal(VIF x) = True"
"normal(IF b t e) = (normal t & normal e &
      (case b of CIF b => True | VIF x => True | IF x y z => False))"
isabelle